Differences between Oracle Apps 11i/ R12

The Database Version was 9i Release 2 in Oracle Apps 11i. It has been replaced by 10g Release 2 (10.2.0.2) in Apps R12.

HTTP server consist of iAS (1.0.2.2.2) in apps 11i. It has been replaced by 10.1.3 (10g AS) in apps R12.

Forms 6i in apps 11i has been replaced by Forms 10.1.2 (10g AS) in apps R12.

Socket mode was the default for forms connectivity in apps 11i. In R12, servlet mode is the default.

Jserv in apps 11i has been replaced by OC4J in R12.

JDK 1.3.1 in apps 11i has been replaced by JRE 1.5 in apps R12.

JDBC version 9 in apps 11i has been replaced by JDBC 10.2.0 in Apps R12.

Modplsql/ mod_pls has been removed from Apps R12.